• Document: Mapping a Nation in 3D Singapore s Journey. Bryan Chew Registrar of Titles Assistant Chief Executive Singapore Land Authority
  • Size: 5.77 MB
  • Uploaded: 2019-02-13 21:35:22
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Mapping a Nation in 3D Singapore’s Journey Bryan Chew Registrar of Titles Assistant Chief Executive Singapore Land Authority Singapore Size - 719 sq km Population - 5.5 million Density – 7,600/sq km Singapore Land Authority Limited Land Unlimited Space Optimise and Manage Land Resource Maintain Land Ownership System Manage Geospatial Information Mapping Workflow Capture Model Share Manage Partners 3D National Mapping Phase 1 Phase 2 Airborne Laser Scanning and Imaging Mobile Laser Scanning and Imaging (2014 to 2015) (completed: Jun 17) 2014 2015 2016 2017 Phase 1 Phase 2 Phase 1 Airborne Laser Scanning and Imaging (2014 to 2015) Phase 2 Mobile Laser Scanning and Imaging (completed: Jun 17) Mobile Laser Scanner – Riegl 360 Spherical Camera - VMX-450 Ladybug 5 Mobile Point Cloud Data Distance covered – 5,500 Km 3D Modelling – Transportation and Street Furniture (CityGML LOD 2) Level of Detail Scope LOD 0 i. Relief ii. Transportation LOD 1 i. Transportation ii. Tunnel iii. Bridge LOD 2 i. Transportation ii. Tunnel iii. Bridge iv. City Furniture City Furniture Bus Stops Examples Lamp Posts Railing Traffic Signs Uses of Data by Govt Airborne Laser Scanning Data Airborne Vertical / Oblique Images Mobile Laser Scanning Data 3D Data 3D Data 3D Data 3D Products 3D Products 3D Building Models and 360 Camera Imagery Building Height Information 3D Products Digital Terrain Model & Digital Photo Map Surface Model Applications Applications  Flight Safety Road Surface and 3D Road Models  Coastal Protection Map Planning  Flood Risk Map  Urban Heat Island Applications  Underground Master Plan  Planning Study  Tree Mapping  Slope Risk Analysis Map  Virtual  SolarNova Project Singapore  Driverless Vehicle  3D Cadastre Development Applications • Asset mapping and management (e.g. lamppost, manhole, signboards, overhead bridge) • Signboard licensing • Tree management and mapping • Height limit for roads • Road maintenance - detection of potholes • Building and structure height regulation • Situational awareness - security planning and emergency management • Municipal issues - collaboration among agencies Terrain Mapping Road Profile Road Surface Asset Mapping Mirror Railing Lamp post Sign Board Security Camera Manhole Tree Asset Management • Automated extraction of tree attributes • Detailed 3D modelling of road side trees Road Height Limit Regulatory enforcement Building height Signboard size Potential Off-road Coverage • Pedestrian walkway • Beach • Parks / Park connectors • Islands • Indoor / Und

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